package lab03.test08;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;


public class Test {
    public static void main(String[] args) {


        String file1="D:\\file1.txt";
        String file2="D:\\file2.txt";
        String file3="D:\\file3.txt";
        //字节流读文件
        FileInputStream file1InputStream=null;
        FileInputStream file2InputStream=null;

        //字节流写文件
        FileOutputStream file3OutputStream=null;
        try {
            file1InputStream =new FileInputStream(file1);
            file2InputStream =new FileInputStream(file2);
            file3OutputStream =new FileOutputStream(file3);

            int data1=0;
            int data2=0;
            while(((data1=file1InputStream.read())!=-1)
                    ||((data2=file2InputStream.read())!=-1))
                    {
                file3OutputStream.write(data1);
                file3OutputStream.write(data2);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally{
            try{
                file1InputStream.close();
                file2InputStream.close();
                file3OutputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
